Home / 7,178.40-10,766.16-2,561.04

Finding the Fourth Proportional to 7,178.40, 10,766.16 and 2,561.04

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Solution

The fourth proportional to 7,178.40, 10,766.16 and 2,561.04 is: 3,841.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,178.40 : 10,766.16 = 2,561.04 : x
  2. Step 2: Convert to fraction form
    7,178.40/10,766.16 = 2,561.04/x
  3. Step 3: Cross multiply
    7,178.40x = 10,766.16 × 2,561.04
  4. Step 4: Simplify right side
    7,178.40x = 27,572,566.41
  5. Step 5: Solve for x
    x = 27,572,566.41/7,178.40
  6. Step 6: Final answer
    x = 3,841.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.